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Finding the Fourth Proportional to 115,483, 159,367.08 and 62,491

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Solution

The fourth proportional to 115,483, 159,367.08 and 62,491 is: 86,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,483 : 159,367.08 = 62,491 : x
  2. Step 2: Convert to fraction form
    115,483/159,367.08 = 62,491/x
  3. Step 3: Cross multiply
    115,483x = 159,367.08 × 62,491
  4. Step 4: Simplify right side
    115,483x = 9,959,008,196.28
  5. Step 5: Solve for x
    x = 9,959,008,196.28/115,483
  6. Step 6: Final answer
    x = 86,237.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.